JP3741857B2 - Synthetic resin pouring container - Google Patents

Synthetic resin pouring container Download PDF

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Publication number
JP3741857B2
JP3741857B2 JP06463098A JP6463098A JP3741857B2 JP 3741857 B2 JP3741857 B2 JP 3741857B2 JP 06463098 A JP06463098 A JP 06463098A JP 6463098 A JP6463098 A JP 6463098A JP 3741857 B2 JP3741857 B2 JP 3741857B2
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Prior art keywords
wall
fitted
slit
cylinder
container
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Expired - Fee Related
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JP06463098A
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JPH11240554A (en
Inventor
博 水島
伸夫 山中
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Yoshino Kogyosho Co Ltd
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Yoshino Kogyosho Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • B65D47/04—Closures with discharging devices other than pumps
    • B65D47/20—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge
    • B65D47/2018—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge comprising a valve or like element which is opened or closed by deformation of the container or closure
    • B65D47/2031—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge comprising a valve or like element which is opened or closed by deformation of the container or closure the element being formed by a slit, narrow opening or constrictable spout, the size of the outlet passage being able to be varied by increasing or decreasing the pressure

Description

【０００１】
【発明の属する技術分野】
本発明は、胴部を弾性圧搾して収納液体を注出させる合成樹脂製注出容器に関する。
【０００２】
【従来の技術】
【発明が解決しようとする課題】
この種容器として、胴部上端から口頸部を起立した容器体と、口頸部外面に嵌合させた装着筒部の上端に、口頸部上面を閉塞する頂壁を横設すると共に、該頂壁に小径の注出孔を穿設し、該注出孔を閉塞する蓋板の後部を装着筒部の後部上端にヒンジを介して結合させた注出キャップからなり、蓋板を開蓋させ、かつ容器体胴部を弾性圧搾させることで収納液体を注出させるよう形成したものがある。
【０００３】
上記従来容器では、洗剤液等のように発泡し易い液体を収納した場合、液体注出後に容器を台上等に載置させたとき等に、注出孔から小径の泡が出ることがある。この原因は明確ではないが、注出孔の内周面に付着した液体が膜状となって小透孔を閉塞することがあるため、容器を台上に置いたときの衝撃で容器体が弾性変形して、容器体内が僅かに高圧化したとき、注出孔の内周面に付着した膜が膨んで泡となると考えられる。
【０００４】
上記のような泡の発生は、使用上、大きな問題ではないが、需要者が容器に対して悪い印象を持ち、場合によっては不信感を抱くことがあるので好ましくない。
【０００５】
本発明は、注出孔の下方に、容器体内が相当高圧化した場合に開弁する吐出弁を形成することで、泡の発生を阻止できるよう設け、又吐出弁が開弁不良となって注出の支障となることないよう設けた。
【０００６】
【課題を解決するための手段】
第１の手段として、弾性圧搾可能な胴部の上端から口頸部２を起立する容器体１と、
上記口頸部２外面に嵌合させた装着筒部11の上端から第１内向きフランジ状壁12を介して中間筒部13を起立すると共に、該中間筒部の上端から第２内向きフランジ状壁15を介して起立する上方筒部16上端に頂壁18を横設し、又該頂壁の中央部に穿設した注出孔の周縁から注出筒部19を起立したキャップ本体10と、
該キャップ本体の中間筒部13内面に固着筒部21を嵌着させ、又該固着筒部の内面から内向きフランジ状の水平壁23を介して主筒部24を起立し、かつ該主筒部の上端に横設した弾性壁25に切り離し面相互が圧接するスリット27を穿設した弾性弁20と、
上記キャップ本体10の上方筒部16外面に、頂壁31周縁から垂設した嵌合筒部32の下部を嵌合させ、又その頂壁31の下面中央部から垂設した棒状栓部34を上記注出筒部19内へ水密に嵌合させた補助キャップ30とで形成した。
【０００７】
第２の手段として、上記第１の手段を有すると共に、補助キャップ30の棒状栓部34を下方へ延長形成し、かつ該延長形成部34ａの下端面で弾性壁25の中央部を弾性に抗して押し込むことでスリット27を開口させた。
【０００８】
【発明の実施の形態】
本発明容器は、容器体１, キャップ本体10, 弾性弁20および補助キャップ30からなり、容器体１は、弾性圧搾可能な胴部上端から肩部を介して、又は介することなく直接口頸部２を起立している。
【０００９】
キャップ本体10は、上記口頸部２外面に螺合させた装着筒部11を有し、該装着筒部の上端から第１内向きフランジ状壁12を介して中間筒部13を起立すると共に、該中間筒部の上端から第２内向きフランジ状壁15を介して上方筒部16を起立すし、かつ該上方筒部の上端に、半球面状に上方へ彎曲する頂壁18を横設し、かつ該頂壁の中央部に穿設した注出孔の周縁から注出筒部19を起立している。更に、上記中間筒部13の内面中間部には係合溝部14を、かつ上方筒部16の外面中間には係合突起17を、それぞれ周設し、又更に、上記中間筒部13と上方筒部16をそれぞれ下方へ延長形成して、中間筒部13の下方延長形成部分内面を口頸部２の上端部へ嵌合させている。
【００１０】
弾性弁20は、上記キャップ本体10の中間筒部13内面に固着筒部21の下部を、かつ上記上方筒部16の下方延長形成部分16ａ外面に固着筒部21の上部を、それぞれ嵌合させ、又その固着筒部21の外面中間に周設した係合突条22を上記係合溝部14内へ係合させて固着筒部21を抜け止めし、更に、その固着筒部21の内面から内向きフランジ状の水平壁23を介して起立する主筒部24の上端に、半球面状に下方へ彎曲する弾性壁25を横設し、該弾性壁の下面外周部に周設した環状突条26の上端が囲む弾性壁部分にスリット27を穿設している。該スリットは、後述するように図１が示す補助キャップ30を閉塞させた状態では開口し、かつ図３が示す閉蓋状態では、切り離し面相互が圧接して閉塞する。又図示実施形態では、スリット27を一文字状に穿設したが、十字状或いはＹ字状等、収納液体の粘度、使用量等を勘案して適宜形状に穿設し、又スリット27は、図３が示す状態で容器体内が相当高圧化した場合に弾性壁25が弾性変形して開口するよう形成している。
【００１１】
補助キャップ30は、上記キャップ本体10の上方筒部16外面に、頂壁31周縁から垂設した嵌合筒部32の下部を嵌合させると共に、該嵌合筒部の下端内面に周設した係合突部33の上面を上記キャップ本体10の係合突起17下面へ強制乗越え可能に係合させ、又上記頂壁31の下面中央部から垂設した棒状栓部34を上記キャップ本体10の注出筒部19内へ水密に嵌合させ、更に、その棒状栓部34を下方へ延長形成して、該延長形成部分34ａの下端面で上記弾性壁25の中央部を弾性に抗して押し込むことで、図２が示すように上記スリット27を開口させている。
【００１２】
収納液体を注出する場合は、図１が示す状態から図３が示すように、補助キャップ30を開蓋する。該状態では、棒状栓部34の延長形成部分34ａ下端面が弾性壁25から離れ、スリット27は、切り離し面相互が弾性圧接して閉塞する。次に、容器体胴部を弾性圧搾して容器体内を加圧すると、スリット27が開口して収納液体が注出される。又該状態から胴部の圧搾を解放すると、スリット27は一旦閉塞するが、再び開口して外気が容器体内へ吸入され、容器体内の負圧化が解消され、該負圧状態の解消でスリット27が閉塞する。
【００１３】
尚弾性弁20は、シリコンゴム，合成ゴム或いは軟質樹脂材で成形し、他の部品は、適宜合成樹脂材で成形する。
【００１４】
【発明の効果】
本発明は上記構成とするもので、請求項１記載の発明の場合は、キャップ本体10の中間筒部13内面に弾性弁20の固着筒部21を嵌着させ、かつ該固着筒部の内面から内向きフランジ状の水平壁23を介して主筒部24を起立し、該主筒部の上端に切り離し面相互が圧接するスリット27付きの弾性壁25を横設したから、容器体内がある程度以上の高圧状態とならない限り、弾性壁25が弾性変形してスリット27が開口することがなく、よって、容器を台上に載置させた衝撃等により、容器体内が多少高圧化しても、スリット27が開口することはないので、容器体内の加圧空気が注出筒部19内へ流入することが阻止され、よって、容器を台上に載置させた衝撃等で泡が発生することがない。又弾性弁20の弾性壁25にスリット27を穿設したから、図１が示す状態から補助キャップ30を外し、かつ容器体胴部を弾性圧搾して容器体内を加圧することで、スリット27を開口させて収納液体を容易に注出でき、かつ該状態から容器体胴部を解放すると、弾性壁25が弾性復元してスリット27が閉塞するから、使用後に補助キャップ30を閉め忘れても、収納液体が蒸発することが阻止される。
【００１５】
請求項２記載の発明の場合は、請求項１記載の発明の効果を有し、かつ補助キャップ30の棒状栓部34を下方へ延長形成し、かつ該延長形成部分34ａの下端面で弾性壁25の中央部を弾性に抗して押し込むことでスリット27を開口させたから、補助キャップ30を閉蓋した状態では、スリット27が常時開口していることとなり、よって、不使用状態で容器を長期間放置しても、スリット27の相互に当接する内面同志が接着して、注出時にスリット27を大きく開口できなくなり、注出に支障を来すことがない。
【図面の簡単な説明】
【図１】 本発明容器の一実施形態を示す要部縦断面図である。
【図２】 図１Ａ−Ａ線を矢示方向に見た同実施形態の横断面図である。
【図３】 補助キャップを外した状態で示す同実施形態の要部拡大縦断面図である。
【符号の説明】
１…容器体 10…キャップ本体 20…弾性弁
30…補助キャップ[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a synthetic resin pouring container that elastically squeezes a body portion to pour out stored liquid.
[0002]
[Prior art]
[Problems to be solved by the invention]
As this kind of container, a container body that stands up the mouth and neck from the upper end of the trunk and a top wall that closes the upper surface of the mouth and neck at the upper end of the mounting cylinder fitted to the outer surface of the mouth and neck, The top wall is formed with a small-diameter pouring hole, and is composed of a pouring cap in which the rear portion of the lid plate that closes the pouring hole is joined to the upper end of the rear portion of the mounting cylinder portion via a hinge, and the lid plate is opened. Some are formed so that the stored liquid is poured out by covering and elastically squeezing the container body.
[0003]
In the case of the conventional container, when a liquid that easily foams, such as a detergent solution, is stored, when the container is placed on a table or the like after the liquid is poured out, a small-diameter bubble may come out from the pouring hole. . The cause of this is not clear, but the liquid attached to the inner peripheral surface of the dispensing hole may form a film and close the small through hole. When the container body is elastically deformed and the inside of the container is slightly increased in pressure, it is considered that the film adhering to the inner peripheral surface of the pouring hole swells and becomes a bubble.
[0004]
The generation of bubbles as described above is not a big problem in use, but it is not preferable because the consumer has a bad impression on the container and in some cases may have distrust.
[0005]
According to the present invention, a discharge valve is formed below the pouring hole so as to prevent the generation of bubbles by forming a discharge valve that opens when the inside of the container has a considerably high pressure, and the discharge valve is poorly opened. It was set up so as not to hinder the extraction.
[0006]
[Means for Solving the Problems]
As a first means, a container body 1 that erects the mouth-and-neck part 2 from the upper end of the body part that can be elastically squeezed,
The intermediate tube portion 13 is erected from the upper end of the mounting tube portion 11 fitted to the outer surface of the mouth-and-neck portion 2 through the first inward flange-like wall 12, and the second inward flange is formed from the upper end of the intermediate tube portion. A cap body 10 in which a top wall 18 is laterally provided at the upper end of an upper cylindrical portion 16 standing through a wall 15 and a pour cylindrical portion 19 is erected from a peripheral edge of a pour hole drilled in a central portion of the top wall. When,
A fixed cylinder portion 21 is fitted on the inner surface of the intermediate cylinder portion 13 of the cap body, and a main cylinder portion 24 is erected from the inner surface of the fixed cylinder portion via an inwardly flanged horizontal wall 23, and the main cylinder An elastic valve 20 provided with a slit 27 that is cut into contact with each other by an elastic wall 25 that is provided laterally at the upper end of the section;
The lower part of the fitting cylinder part 32 suspended from the periphery of the top wall 31 is fitted to the outer surface of the upper cylinder part 16 of the cap body 10, and the rod-like plug part 34 suspended from the center of the lower surface of the top wall 31 is provided. The auxiliary cap 30 was watertightly fitted into the dispensing cylinder portion 19.
[0007]
As a second means, the first means is provided, the rod-like plug portion 34 of the auxiliary cap 30 is formed to extend downward, and the central portion of the elastic wall 25 is elastically resisted by the lower end surface of the extension formation portion 34a. Then, the slit 27 was opened by pushing.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
The container of the present invention comprises a container body 1, a cap body 10, an elastic valve 20 and an auxiliary cap 30, and the container body 1 is directly mouth-and-necked from the upper end of the body that can be elastically squeezed through or without a shoulder. Standing up 2
[0009]
The cap body 10 has a mounting cylinder portion 11 screwed into the outer surface of the mouth and neck portion 2, and raises the intermediate cylinder portion 13 through the first inward flange-shaped wall 12 from the upper end of the mounting cylinder portion. The upper cylindrical portion 16 is erected from the upper end of the intermediate cylindrical portion via the second inward flange-shaped wall 15, and a top wall 18 that bends upward in a hemispherical shape is provided at the upper end of the upper cylindrical portion. In addition, the extraction tube portion 19 is erected from the periphery of the extraction hole formed in the central portion of the top wall. Further, an engaging groove portion 14 is provided in the intermediate portion of the inner surface of the intermediate cylindrical portion 13, and an engaging protrusion 17 is provided in the middle of the outer surface of the upper cylindrical portion 16, respectively. Each of the cylindrical portions 16 is formed to extend downward, and the inner surface of the lower extended formation portion of the intermediate cylindrical portion 13 is fitted to the upper end portion of the mouth neck portion 2.
[0010]
The elastic valve 20 is formed by fitting the lower part of the fixed cylinder part 21 to the inner surface of the intermediate cylinder part 13 of the cap body 10 and the upper part of the fixed cylinder part 21 to the outer surface of the lower extension forming part 16a of the upper cylinder part 16 respectively. In addition, an engagement protrusion 22 that is provided in the middle of the outer surface of the fixed cylindrical portion 21 is engaged with the engagement groove portion 14 to prevent the fixed cylindrical portion 21 from coming off, and from the inner surface of the fixed cylindrical portion 21. An annular protrusion is provided at the upper end of the main cylindrical portion 24 that stands up via the inwardly flanged horizontal wall 23, and has an elastic wall 25 that bends downward in a hemispherical shape, and is provided around the outer periphery of the lower surface of the elastic wall. A slit 27 is formed in the elastic wall portion surrounded by the upper end of the strip 26. As will be described later, the slit opens when the auxiliary cap 30 shown in FIG. 1 is closed, and in the closed state shown in FIG. In the illustrated embodiment, the slit 27 is formed in a single letter shape. However, the slit 27 is formed in an appropriate shape in consideration of the viscosity, amount of use, etc. of the stored liquid, such as a cross shape or a Y shape. In the state shown in FIG. 3, the elastic wall 25 is formed so as to open by being elastically deformed when the pressure in the container is considerably increased.
[0011]
The auxiliary cap 30 is fitted on the outer surface of the upper cylinder part 16 of the cap body 10 with the lower part of the fitting cylinder part 32 suspended from the periphery of the top wall 31, and is provided on the inner surface of the lower end of the fitting cylinder part. The upper surface of the engagement protrusion 33 is engaged with the lower surface of the engagement protrusion 17 of the cap body 10 so as to be able to forcibly pass over, and a rod-shaped plug part 34 suspended from the center of the lower surface of the top wall 31 is provided on the cap body 10. The rod-shaped plug portion 34 is formed to extend downward in a watertight manner into the dispensing cylinder portion 19, and the central portion of the elastic wall 25 resists elasticity at the lower end surface of the extension formation portion 34a. By pushing, the slit 27 is opened as shown in FIG.
[0012]
When the stored liquid is poured out, the auxiliary cap 30 is opened as shown in FIG. 3 from the state shown in FIG. In this state, the lower end surface of the extension forming portion 34a of the rod-shaped plug portion 34 is separated from the elastic wall 25, and the slit 27 is closed by the elastic contact between the cut surfaces. Next, when the container body is elastically squeezed to pressurize the container body, the slit 27 is opened and the stored liquid is poured out. Also, when the squeezing of the body part is released from this state, the slit 27 is once closed, but it is reopened and the outside air is sucked into the container body, the negative pressure in the container body is eliminated, and the slit is released by eliminating the negative pressure state. 27 is blocked.
[0013]
The elastic valve 20 is molded from silicon rubber, synthetic rubber or a soft resin material, and other parts are molded from a synthetic resin material as appropriate.
[0014]
【The invention's effect】
The present invention has the above-described configuration. In the case of the invention described in claim 1, the fixing cylinder portion 21 of the elastic valve 20 is fitted to the inner surface of the intermediate cylinder portion 13 of the cap body 10, and the inner surface of the fixing cylinder portion. Since the main cylindrical portion 24 is erected from the inner wall through the inwardly flanged horizontal wall 23, and the elastic wall 25 with the slit 27 is provided at the upper end of the main cylindrical portion so that the cut surfaces are pressed against each other, Unless the above high pressure state is reached, the elastic wall 25 does not elastically deform and the slit 27 does not open. Therefore, even if the container body is slightly increased in pressure due to the impact of placing the container on the table, the slit 27 does not open, the pressurized air in the container body is prevented from flowing into the dispensing cylinder part 19, and bubbles may be generated due to the impact of placing the container on the table. Absent. Further, since the slit 27 is formed in the elastic wall 25 of the elastic valve 20, the auxiliary cap 30 is removed from the state shown in FIG. 1, and the container body is elastically squeezed to pressurize the container body. If the container body can be easily poured out by opening it, and the container body is released from this state, the elastic wall 25 is elastically restored and the slit 27 closes, so even if you forget to close the auxiliary cap 30 after use, The stored liquid is prevented from evaporating.
[0015]
In the case of the invention described in claim 2, the effect of the invention described in claim 1 is obtained, and the rod-like plug portion 34 of the auxiliary cap 30 is formed to extend downward, and the elastic wall is formed at the lower end surface of the extension forming portion 34a. Since the slit 27 was opened by pushing the center of 25 against elasticity, the slit 27 was always open when the auxiliary cap 30 was closed. Even if left for a period of time, the inner surfaces of the slits 27 that are in contact with each other adhere to each other, so that the slit 27 cannot be opened greatly at the time of pouring, and the pouring is not disturbed.
[Brief description of the drawings]
FIG. 1 is a longitudinal sectional view of an essential part showing an embodiment of a container of the present invention.
FIG. 2 is a cross-sectional view of the same embodiment as seen in the direction of the arrow of FIG. 1A-A.
FIG. 3 is an enlarged vertical cross-sectional view of a main part of the same embodiment with the auxiliary cap removed.
[Explanation of symbols]
1 ... Container body 10 ... Cap body 20 ... Elastic valve
30 ... Auxiliary cap

Claims (2)

弾性圧搾可能な胴部の上端から口頸部２を起立する容器体１と、
上記口頸部２外面に嵌合させた装着筒部11の上端から第１内向きフランジ状壁12を介して中間筒部13を起立すると共に、該中間筒部の上端から第２内向きフランジ状壁15を介して起立する上方筒部16上端に頂壁18を横設し、又該頂壁の中央部に穿設した注出孔の周縁から注出筒部19を起立したキャップ本体10と、
該キャップ本体の中間筒部13内面に固着筒部21を嵌着させ、又該固着筒部の内面から内向きフランジ状の水平壁23を介して主筒部24を起立し、かつ該主筒部の上端に横設した弾性壁25に切り離し面相互が圧接するスリット27を穿設した弾性弁20と、
上記キャップ本体10の上方筒部16外面に、頂壁31周縁から垂設した嵌合筒部32の下部を嵌合させ、又その頂壁31の下面中央部から垂設した棒状栓部34を上記注出筒部19内へ水密に嵌合させた補助キャップ30と
からなる合成樹脂製注出容器。A container body 1 that erects the neck 2 from the upper end of the body that can be elastically squeezed;
The intermediate tube portion 13 is erected from the upper end of the mounting tube portion 11 fitted to the outer surface of the mouth-and-neck portion 2 through the first inward flange-like wall 12, and the second inward flange is formed from the upper end of the intermediate tube portion. A cap body 10 in which a top wall 18 is laterally provided at the upper end of an upper cylindrical portion 16 standing through a wall 15 and a pour cylindrical portion 19 is erected from a peripheral edge of a pour hole drilled in a central portion of the top wall. When,
A fixed cylinder portion 21 is fitted on the inner surface of the intermediate cylinder portion 13 of the cap body, and a main cylinder portion 24 is erected from the inner surface of the fixed cylinder portion via an inwardly flanged horizontal wall 23, and the main cylinder An elastic valve 20 provided with a slit 27 that is cut into contact with each other by an elastic wall 25 that is provided laterally at the upper end of the section;
The lower part of the fitting cylinder part 32 suspended from the periphery of the top wall 31 is fitted to the outer surface of the upper cylinder part 16 of the cap body 10, and the rod-like plug part 34 suspended from the center of the lower surface of the top wall 31 is provided. A synthetic resin pouring container comprising an auxiliary cap 30 watertightly fitted into the pouring cylinder portion 19. 補助キャップ30の棒状栓部34を下方へ延長形成し、かつ該延長形成部34ａの下端面で弾性壁25の中央部を弾性に抗して押し込むことでスリット27を開口させた請求項１記載の合成樹脂製注出容器。The rod-shaped plug part 34 of the auxiliary cap 30 is formed to extend downward, and the slit 27 is opened by pushing the central part of the elastic wall 25 against the elasticity at the lower end surface of the extension forming part 34a. Synthetic resin pouring container.
JP06463098A 1998-02-26 1998-02-26 Synthetic resin pouring container Expired - Fee Related JP3741857B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP06463098A JP3741857B2 (en) 1998-02-26 1998-02-26 Synthetic resin pouring container

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP06463098A JP3741857B2 (en) 1998-02-26 1998-02-26 Synthetic resin pouring container

Publications (2)

Publication Number Publication Date
JPH11240554A JPH11240554A (en) 1999-09-07
JP3741857B2 true JP3741857B2 (en) 2006-02-01

Family

ID=13263789

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Application Number Title Priority Date Filing Date
JP06463098A Expired - Fee Related JP3741857B2 (en) 1998-02-26 1998-02-26 Synthetic resin pouring container

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JP4899420B2 (en) * 2005-10-31 2012-03-21 大日本印刷株式会社 Outlet device
JP4906483B2 (en) * 2006-11-29 2012-03-28 株式会社トクヤマデンタル Container for liquid
JP5894887B2 (en) * 2012-08-31 2016-03-30 株式会社吉野工業所 Discharge container
JP6242708B2 (en) * 2013-05-31 2017-12-06 株式会社吉野工業所 Squeeze dispensing container with transition stopper
JP6177704B2 (en) * 2014-02-10 2017-08-09 株式会社吉野工業所 Squeeze dispensing tap
JP6345040B2 (en) * 2014-08-29 2018-06-20 株式会社吉野工業所 Cap with slit valve
JP6859777B2 (en) * 2017-03-17 2021-04-14 東洋製罐株式会社 Cap with slit valve
JP7292818B2 (en) * 2017-09-29 2023-06-19 株式会社吉野工業所 container cap
JP7031969B2 (en) * 2017-09-29 2022-03-08 株式会社吉野工業所 Container cap
JP7432987B2 (en) * 2018-04-25 2024-02-19 株式会社吉野工業所 Powder discharge container
JP7114172B2 (en) * 2018-04-25 2022-08-08 株式会社吉野工業所 Powder discharge container

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